CN104081752A - Scanner with exception preview - Google Patents

Abstract

A scanning system is described providing an exception correction capability during multi-page scanning operations. A sensing system is used to sense exception conditions during a multi-page scanning operation. In response to detecting an exception, at least one scanned page associated with the exception condition is displayed on an image display and a user interface system is used to provide a plurality of user-selectable corrective actions associated with the exception condition. One or more corrective operations are then performed in response to a user selecting a particular corrective action.

Description

There is the scanner of exception preview

Technical field

The present invention relates to multipage file scanning, and more particularly, the present invention relates to a kind of for proofreading and correct the user interface of exception condition after testing.

Background technology

Many document scanners comprise by transport path and move document from input paper box, and for example, in the time that it moves through fixed imaging acquisition equipment (charge coupled device (CCD) or contact image sensor (CIS)), produce the document feed system of the image of described document.Transducer in conveyer is used for guaranteeing that described document correctly enters conveyer.Depend on Doctype or document characteristic, operator must selection function and feature so that scanner optimization adapts to the specific demand of particular document.

In document scanner, document to be scanned can be different because of size, weight, color content, physical state or other characteristic, and it may need to enable different scanning instrument feature or use operator's behavior for optimum and effective operator scheme.Because described scanner is conventionally not programming with specific demand on document basis one by one, so user can be preset as described scanner one group of setting that efficiency is lower at all documents of a collection of interior processing.Alternatively, operator can be based on common document characteristic and document described in manual classification.Document can for example, be classified based on document characteristic (length, width, weight, color, physical state or Doctype).

But in the time of file scanning, sometimes, document can have the characteristic incompatible with arranging of scanner maybe may be needed special processing to provide can to accept result.During these examples, detect document and to dispose the effective ways of exception condition be important for scanner operators provides.The more late exception that detects in scan process stream, it is more difficult and more expensive that recovery process can become.

Many prior art scanners provide tone, or illuminate " mistake " LED to inform described in scanner operators that scanner is when because exception stops.In other scanner, simply the display based on character is for showing short message to scanner operators.For example, the DR-X10C of Canon scanner comprises for detection of being fed to the multiple documents in conveyer and the ultrasonic sensor of suitable message being provided on the display based on character.But, in many cases, can use the minimum of the information that the method provides or not enough information suitably to assess seriousness and definite appropriate action of exception to scanner operators.

The people's such as rich thunder (Borrey) name be called " virtual rescaning: the method (Virtual rescanning:a method for interactive document image quality enhancement) strengthening for interactive document picture quality " the 6th, 370, No. 277 United States Patent (USP)s describe a kind of user's predefine parameter and tolerance is processed the image processing system through the image of scanning.When in the time that the image of scanning exceeds predefine parameter tolerance limit, described system call active user reciprocal process is to adjust the image setting data for the treatment of the described image through scanning.

No. 2010/0027056 U.S. Patent Application Publication case that the people's such as Jino (Ogino) name is called " image forming apparatus, program and preview display method (Image forming apparatus; program; and preview display method) " described a kind of image formation system that comprises preview, and it provides the ability of observing described preview image before being printed about the preview image of information that finishes option comprising.

Still need a kind of through improved method so that scanner operators can, assessing and proofread and correct for exception after testing on document basis one by one, improve the efficiency of scanning process whereby.

Summary of the invention

The present invention represents a kind of scanning system that exception calibration capability is provided, and it comprises:

Be used for the imageing sensor of the page of the hard copy document scanning;

Input paper box;

Output paper box;

Document feed system, it is located the described page through picking up being scanned by described imageing sensor for pick up the page of multipage document from described input paper box, and deposits in described output paper box through the page picking up described;

Sensing system, its one or more attribute for the page through picking up described in sensing is to detect exception condition;

User interface system, it comprises image display and one or more user control;

Output interface, it is for being sent to image receiving system through the document of scanning;

Memory, it is for storing the document through scanning;

Data handling system; And

Program storage, its communication connection is configured to cause described data handling system to implement the instruction of the method for exception calibration capability is provided to described data handling system and storage, and wherein said method comprises:

Initial multipage scan operation activates and scanning multipage document with the user in response to user control;

For every one page of described multipage document;

Pick up described page from described input paper box;

Use the described page through picking up of described imageing sensor scanning, and the described page through scanning is stored in described memory;

Use one or more attribute of the page through picking up described in described sensing system sensing;

Deposit in described output paper box through the page picking up described;

Analyze described one or more attribute through sensing to detect exception condition;

In response to exception condition being detected:

Suspend described multipage scan operation;

On described image display, show at least one page through scanning being associated with described exception condition;

Use described user interface system that the multiple users that are associated with described exception condition are provided the optional positive behavior of selecting a school;

In response to selecting specific correction behavior, user carries out one or more correct operation; And

In response to activating, the user of user control restarts the described multipage scan operation through suspending; And

Use described output interface that one or multipage of the described multipage document through scanning are sent to described image receiving system from described memory.

The present invention has the transducer of making operator and can more effectively dispose exception condition (for example, being fed at the multipage at scanner place) and eliminate whereby at host application place from the advantage of the more expensive process of exception Document retrieval.

The additional advantage that the present invention has is the image through scanning that is associated with exception condition of preview for user provides the extraneous information about exception, and it makes the scanner operators can be more easily and effectively determine the behavior of the most suitably proofreading and correct.

The present invention and object thereof and advantage will become more apparent in the detailed description of preferred embodiment that below presented.

Brief description of the drawings

Fig. 1 is the cross-sectional view of the document scanner of the various assemblies of explanation scanner related to the present invention;

Fig. 2 is display scan instrument conveyer and the perspective view that the documentation page of various document characteristics is described;

Fig. 3 is for according to an embodiment of the invention for providing the flow chart of method of exception calibration capability; And

Fig. 4 is the stereogram of the exemplary user interfaces screen that comprises preview image.

Embodiment

In particular, the present invention forms according to the element of the part of Apparatus and method for of the present invention relating to, or the element more directly cooperating with Apparatus and method for according to the present invention.The element that should be understood that special exhibition not or description can be selected from this type systematic, algorithm, assembly and element known in technology.In the following description, some embodiments of the present invention are by the term description to be generally embodied as software program.Those skilled in the art will be cognitive easily, and the equivalent of this software also can hardware construction.

The combination that the present invention comprises embodiment described herein.Refer to reference to " specific embodiment " and similar embodiment the feature existing at least one embodiment of the present invention.Separately with reference to " embodiment " or " specific embodiment " or similar embodiment the differ same embodiment of definiteness or some embodiment; But this type of embodiment is not mutually exclusive, except being far from it instruction or understand easily as those skilled in the art.The use of the odd number of quoting in " method " or " some methods " and analog or plural number is not restrictive.Unless it should be noted that clearly mention in addition or background required, otherwise word "or" in the present invention with non-monopolize meaning use.

Fig. 1 is the side cross-sectional view of document scanner 10.Described explanation shows that containing wait containing the input paper box 20 of multipage document 12 is scanned multiple documentation pages that instrument scans, and comprises top page 11, and it is lower one page to be scanned.(in other embodiments, document scanner 10 can be from stacking bottom but not described stacking top pick page is apparent for those skilled in the art.) in the context of the present invention, term " multipage document " is used in reference to the one group of indivedual page that will become series scanning, described page can or can not be relative to each other.In some cases, multipage document 12 can comprise multiple differences " document " (for example, report, contract, mail, receipt and analog), and it can be from single documentation page to many indivedual documentation pages and be different in size separately.In general, indivedual documentation pages of multipage document 12 can for example, change with respect to attribute (paper/medium type, size, shape, weight, thickness, hardness and color).

Scanner 10 comprises page for pick up multipage document 12 from input paper box 20, locate described page through picking up to be scanned and by the described document feed system 43 of depositing in output paper box 15 through the page picking up.Document feed system 43 comprises feed module 42, conveyer 45 and the outlet roller 100 with feed roller 40 and separator roller 41, and other roller and document detent mechanism.

In a preferred embodiment, scanner 10 is the top imaging device 30 that comprises the content on the two sides that is suitable for scanned document page and the duplexing scanner of bottom imaging device 35.In certain embodiments, scanner 10 can only comprise single imaging device.In this type of situation, document feed system 43 optionally comprises duplexing mechanism so that duplexing scan capability to be provided.Described duplexing mechanism can be used for documentation page to carry out page turning, and reorientates described first page to scan second after scanning first surface.In other embodiments, scanner 10 can only have the ability of the one side of scanned document page.

As demonstrated in Figure 1, first document is placed in to the input paper box 20 of scanner.Feed roller 40 in feed module 42 is selected and top page 11 is moved to conveyer 45 from input paper box 20.Meanwhile, top page 11 moves in conveyer 45, also can move forward, but be prevented from entering described conveyer because of separator roller 41 at the documentation page of top page 11 times contact.But for example, sometimes, the documentation page under top page 11 is moved in described conveyer mistakenly because of static.

In the time that top page 11 is advanced through conveyer 45, it is through the document sensing system 135 that comprises one or more associated sensor of the attribute of the page through picking up for sensing, corresponding to the top imaging hole 32 in the field of catching of top imaging device 30, and corresponding to the bottom imaging hole 36 in the field of catching of bottom imaging device 35.Top imaging device 30 is at document document described in imaging when the top imaging hole 32, and bottom imaging device 35 is at document document described in imaging during by bottom imaging hole 36.In certain embodiments, top imaging device 30 and bottom imaging device 35 comprise the linear imaging sensor (for example one dimension ccd sensor array) of at every turn catching single image data wire.In the time that moving through linear transducer, document catches the view data of continuous lines to provide two dimension through scan image.In other embodiments, top imaging device 30 and bottom imaging device 35 can comprise can catch simultaneously two dimension through scan image the two-dimensional image sensor of some or all image line datas.While being hunted down when the sensing data from document sensing system 135 and from the view data of top imaging device 30 and bottom imaging device 35, it is through transmitting to be processed by data handling system 120.

One or more data processing equipment that data handling system 120 comprises the process (comprising example procedure described herein) of implementing various embodiment of the present invention.Phrase " data processing equipment " or " data processor " wish to comprise arbitrary data processing equipment, for example CPU (CPU), digital signal processor (DSP), field programmable gate array (FPGA), desktop computer, laptop computer, mainframe computer, or for the treatment of data, management data or dispose arbitrary other devices of data, no matter whether with electrically, magnetic, optics, biologic component implements or other mode is implemented.

Transducer in document sensing system 135 can be including (for example) the big or small page size sensor of the page for detection of through picking up, the multipage transducer being fed to for detection of multipage, for detection of deflection through pick up page deflection page transducer, for detection of the bar code sensor of the bar code on the page through picking up, for detection of the directed orientation sensor of the page through scanning, the picture quality transducer of the image quality attribute of the page for sensing through picking up, the copyright document transducer of instruction that can acquisition of copyright for detection of document, wrinkling page transducer or card page transducer.In certain embodiments, single-sensor (or transducer group) can be used for providing the information about multiple different attributes of the page through picking up.For example, the mechanical pick-up device that detects the existence of one page can be used for detecting the size of the page through picking up in the time that it is carried by ad-hoc location in conveyer 45, and also can in the case of the described page through picking up at the appointed time after amount not by described transducer for detection of blocking page.

Transducer in document sensing system 135 can be the transducer of arbitrary type known in technology.The ultrasonic sensor that the example of the sensor type that can use according to the present invention comprises the character of the page of sensing through picking up by sensing transmission (or reflection) ultrasonic wave, the engineering properties of the page of sensing through picking up (for example, page position, page size and page thickness) mechanical pick-up device, the electronic sensor of the electrical property (for example conductance) of the page of sensing through picking up, the optical property of the page of sensing through picking up (for example, density, color and glossiness) optical pickocff and catch can be by analysis for example, (to determine document character, Doctype, picture material and orientation) the imaging sensor of image of the page through picking up.

In certain embodiments, the imageing sensor in bottom imaging device 35 and top imaging device 30 can be used as the assembly of document sensing system 135.The image through scanning of catching by imageing sensor in this case, can be by analysis to determine the various attributes of the page through picking up.For example, the described image through the scanning edge of the page through picking up with detection by analysis, thus the information about page attribute (for example page size and angle excursion) is provided.In this way, described imageing sensor can be used as page size sensor and deflection page transducer.Similarly, can for example, detect page orientation with () by the orientation of determining the described word being detected in the image of scanning by analysis through the image of scanning.In this way, described imageing sensor can be used as orientation sensor.Can be by analysis to determine one or more image quality attribute through scan image.In this way, described imageing sensor can be used as picture quality transducer.Through the image of scanning can be by analysis for example, to detect exist (, copyright notice or the security feature that is associated) of information that instruction document can acquisition of copyright.In this way, described imageing sensor can be used as copyright document detection device.Similarly, the described image through scanning can be by analysis for example, be incident upon by (or note paster) near detecting in the described image through scanning by top page edge the multipage that shade on end page detects some type with () and be fed to.In this way, described imageing sensor can be used as multipage transducer.

Scanner 10 will generally also comprise multiple other assembly of not showing in Fig. 1.For example, memory is generally through being provided for the document of storage through scanning, and output interface 55 (for example wired or wireless network connects) is generally for example, through being provided for being sent to image receiving system (storage device, host computer, printer or e-mail system) through the document of scanning.In a preferred embodiment, provide user interface system, it comprises image display 50 so that information is communicated to user, and one or more user control is to receive input from described user.Described user control can be arbitrary type known in technology, for example, and button, rocker switch, control lever, knob, touch-sensitive surface, gesture sensing interface and audio interface.In certain embodiments, image display 50 can be the touch-sensitive display that can be used for showing Virtual User control, and the touching that described Virtual User control can be pointed by user activates.

Fig. 2 is the perspective view of the specific page 13 of display scan instrument conveyer 45 and multipage document 12 (Fig. 1), 13 explanations of described specific page can be by document sensing system 135 sensing and can to process the various page characteristics relevant through the document of scanning.Described page characteristic comprises page length degree 70 and page width degree 80, and other page attribute (for example, the existence of page mesopore 82, or invest the adhesion label 84 of described page or the existence of note paster 86).

Described illustrated document sensing system 135 comprises five each and every one individual sensor 135A to 135E.Transducer 135A can be the transducer through the known arbitrary type of the technology of the character of the page through picking up described in the page picking up is carried during through conveyer 45 for sensing to 135E.In the illustrated embodiment, transducer 135A is arranged in different lateral position to 135E across the width of conveyer 45.In certain embodiments, document sensing system 135 can comprise along the path of document feed system 43 and the additional sensors in various positions is provided.

In certain embodiments, transducer 135A is transmitting ultrasonic signal and detects the ultrasonic sensor of transmission through the signal of the page through picking up (or from the page reflection through picking up) to 135E.Described detection signal can be by analysis with the existing of one page of detecting sensor position not only, also determine the various page attributes that are associated.For example, the phase place of described signal after testing and the analysis of amplitude can be used for estimating the thickness of the described page through picking up, and the existence of the air gap being fed to for detection of instruction multipage.For analyze ultrasonic signal with determine name that the method for page attribute that can be used according to the invention is described in Fen Ni (Phinney) be called " for determining the method and apparatus (Method and apparatus for determining a digital phase shift in a signal) of digital phase-shifting technique of signal " the 6th, 407, in No. 599 United States Patent (USP)s, the people such as Fen Ni name be called " for using ultrasonic wave phase shift amplitude to carry out the method and apparatus (Method and apparatus for multiple document detection using ultrasonic phase shift amplitude) of many document detection " the 6th, 511, in No. 064 United States Patent (USP), fragrant girl's name be called " for the method and apparatus (Method and apparatus for correcting for a phase shift between a transmitter and a receiver) of the phase shift between correct transmission device and receiver " the 6th, 868, in No. 135 United States Patent (USP)s, and the people's such as fragrant girl name be called " for carry the equipment (Apparatus for detection ofmultiple documents in a document transport) that detects multiple documents at document " the 6th, 913, in No. 259 United States Patent (USP)s.

In other embodiments, transducer 135A can be the Mechanical Contact transducer of the existence that detects one page to 135E.For example, described Mechanical Contact transducer can comprise with described page and moves through the lever that described transducer departs from.Described bias can be used for providing the information about page thickness, and it can be in some cases for inferring that multipage picks up.

Except the character of the page of sensing through picking up, document sensing system provides suitable control and the timing Useful Information to page 13 in the time that page 13 is advanced through scanner 10 (Fig. 1).For example, in view of the understanding of transducer 135A to the distance 200 between 135E and top imaging hole 32 and transducer 135A to the distance 210 between 135E and bottom imaging hole 36, can based on the signal being provided by document sensing system 135 determine page 13 by when by the correspondence image transducer being associated with top imaging device 30 and bottom imaging device 35.

Fig. 3 shows according to of the present invention for the flow chart of method of exception calibration capability of scanning system is provided.Exception can comprise " fault state ", and other situation after testing that can need scanner operators to carry out act of execution or make decision.In a preferred embodiment, described method is carried out together with the data handling system 120 in the scanner 10 of other system component use Fig. 1.To being input as the page 300 through picking up being scanned by scanner 10 of described method.Describedly 300 can be word or file, photo or its some combinations through the page picking up.In general will be, one page of multipage document 12 (Fig. 1) through the page 300 picking up.

Capture digital image data step 310, for scanning the page through picking up, provides DID 315.In a preferred embodiment, capture digital image data step 310 is caught corresponding to the DID 315 that uses the end face of the page 300 through picking up of top imaging device 30 and the bottom surface of the page 300 through picking up of use bottom imaging device 35.Each in described imaging device will generally comprise light source to illuminate the described page through picking up, and will focus on the Optical devices the imaging sensor that is associated (not showing) from the light of the described page reflection through picking up.Described imageing sensor can (for example) be single-chip color CCD or cmos image sensor.Mould/number (A/D) transducer is used for the Data Digital from described transducer to produce DID 315.

Use and process image step 325 and processes digital image data 315 optionally based on one group of image processing rule 320, so that modified DID 330 to be provided.Process image step 325 in can operation technique known arbitrary image processing operations with amendment DID 315.To comprise by processing the example of image processing operations of the common application of image step 325 that skew correction, orthogonal rotation, color filter array (CFA) interpolation, pruning, size are adjusted (convergent-divergent), the processing of tone/color, image sharpening noise/defect removes and compresses.

Image processing rule 320 can comprise the parameter of the operation for controlling described image processing operations, and controls the quantity of described image processing operations and the logic rules of order that should apply by processing image step 325.Conventionally, some in image processing rule 320 are predefine and fixing, and Else Rule can be can be according to the customization of user preference or document characteristic.In certain embodiments, user interface element can be through providing so that user can adjust some or all in image processing rule 320 according to individual preference and according to input Doctype.In certain embodiments, some in image processing rule 320 can defining through sensing attribute in response to the document scanning.For example, the page length degree 70 (Fig. 2) through sensing and page width degree 80 (Fig. 2) that the pruning region of image trimming operation can be based on page 13 (Fig. 2), define together with the position through sensing on top page and verso border.Additional images processing rule 320 can be based on through sensing attribute (for example Doctype), and the existence of hole 82 (Fig. 2), adhesion label 84 (Fig. 2) or note paster 86 (Fig. 2) and determining.After processed DID 315, use storage through amendment image step 410, modified DID 330 to be stored in the accessible buffer storage of processor, prepare described modified DID 330 to send to the output interface 55 of scanner, and for exception calibration function is provided.

When the page through picking up is when 300 decent overscanning instrument 10 (Fig. 1), the various transducer collecting sensor data 345 of use collecting sensor data step 340 from document sensing system 135.Depend on used sensor type, collecting sensor data step 340 can utilize mould/number conversion process that digital signal value and various simulation and digital processing operation are provided, to produce sensing data 345.

In certain embodiments, use process sensor data step 355 according to one group of transducer processing rule 350 and process sensor data 345 so that modified sensing data to be provided.The sensing data 345 through catching is processed in the transducer processing of process sensor data step 355 known arbitrary type in can operation technique.For example, noise removal process can be used for smoothing out the change at random in sensing data.In a preferred embodiment, from the sensing data of ultrasonic sensor be use the name that is described in the people such as fragrant girl be called " for carrying at document the equipment (Apparatus for detection of multiple documents in a document transport) of multiple documents of detecting " the 6th, method in 913, No. 259 United States Patent (USP)s is processed.

In certain embodiments, process sensor data step 355 can be carried out the various attributes of proper signal analysis task with analyte sensors data 345 and definite page 300 through picking up.For example, sensing data 345 can be by analysis for example, to determine Physical Page attribute (, page length degree 70 (Fig. 2), page width degree 80 (Fig. 2), page thickness and page angle excursion).In certain embodiments, sensing data 345 also can be by analysis for example, to detect various exception conditions (, multipage is fed to or paperboard).In this type of situation, modified sensing data 360 can comprise represent the page 300 through picking up through definite attribute or through one or more parameter of definite exception condition.

Transducer processing rule 350 can comprise the parameter of the operation for controlling the data processing operation that processed sensing data step 355 uses, and controls the quantity of the data processing operation that should apply and the logic rules of order.Conventionally, some in transducer processing rule 350 are predefine and fixing, and Else Rule can be according to user preference or document characteristic and be customizable, or can determine in response to the initial analysis of sensing data 345 or DID 315.After sensing data 345 is processed, generally modified sensing data 360 can be stored in the accessible buffer storage of processor, make its be advantageously used in provide exception calibration function and for determine suitable image processing rule 320.

Exception test 400 is for determining whether to exist exception condition in response to modified DID 330 or modified sensing data 360 or both.Exception test 400 is made this and is determined based on one group of Exception handling rule 405.Exception test 400 can operation technique in known either method and determine whether to exist exception condition.In certain embodiments, exception test 400 use the name that is described in pul Tuo Lake (Pultorak) be called " document scanner (Document scanner) " common transfer the 13/272nd, method in No. 616 U.S. patent application case, or the name that is described in the people such as Lin Ke (Link) is called the method in the 13/307th, No. 447 U.S. patent application case of common transfer of " for the method (Method for scanning documents) of scanned document ".

Exception handling rule 405 can be based on through picking up page 300 through definite page attribute, for example Doctype, page orientation, page thickness, page length degree 70 and page width degree 80.For example, Exception handling rule 405 can for example, through defining the page 300 through picking up (, page thickness exceed maximum ga(u)ge) after testing of the page attribute that has with mark outside the predefine scope that drops on acceptable value.Exception handling rule 405 also can for example, based on other detected status (, the existence of page 300 hole 82, adhesion label 84 or note paster 86 through picking up), or the detection of various exception conditions (for example multipage picks up or paperboard).In some cases, exception condition can based on detected by multiple transducers or for the composite signal of multiple pages and infer.For example, be orientated oppositely with respect to the back side being associated with the back side of the described page 300 through picking up if orientation sensor is determined the head on orientation being associated with the front of the page 300 through picking up, this is the good instruction that multipage picks up exception condition so.

In certain embodiments, Exception handling rule 405 also can based on by with one or more confidence value of processing data processing algorithm that image step 325 or process sensor data step 355 be associated and determining.For example, orthogonal Rotation Algorithm can be used for analysing digital image data 315 automatically to determine the anglec of rotation that is suitable for the picture material in DID 315 to rotate to upright orientation.As the part of analytic process, can determine confidence value, its instruction to estimate the anglec of rotation be correct algorithm confidence level how.If the level of confidence of returning from orthogonal Rotation Algorithm lower than instruction through determine be orientated cannot be definite assign thresholds, can declare that so exception condition is to make prompting operation person carrying out Exception handling.

Should be understood that the function that can use single programmable processor or exception test 400 is provided (it comprises one or more digital signal processor (DSP) device) by the multiple programmable processors of use.Alternatively, can pass through custom circuit (for example, by be used for one or more customer designed IC (IC) of digital scanner through particular design), or provide exception test 400 steps by the combination of programmable processor and custom circuit.

If exception test 400 does not detect exception condition, do not need so the normal running of Exception handling and continuation scanner.In this case, assign through amendment image step 415 for modified DID 330 is sent to output interface 55 (Fig. 1).In certain embodiments, modified DID 330 can need further processing before it is sent to output interface 55.For example, modified DID 330 can predefine file format (for example JPG file format or pdf document form) storage.Catch the situation of the DID on the two sides of the page 300 through picking up for scanner 10 (Fig. 1), store modified image step 410 and generally will store corresponding to top side and both modified DIDs 330 of bottom side.

If exception test 400 defines exception condition, suspend so multipage scan operation, and the outer image step 420 of display case at least one page through scanning for being associated with described exception condition in the upper demonstration of image display 50 (Fig. 1).In a preferred embodiment, suspend described multipage scan operation by the feed module 42 of stopping using, make not pick up additional page, and the arbitrary page in conveyer 45 is still moved to output paper box 15.This is positioned the page that exception condition detected on the top of the page of exporting paper box 15.(depend on the essence of exception condition, may always not need to suspend described multipage scan operation, carry out Exception handling simultaneously.) in a preferred embodiment, the page through scanning of described demonstration is the thumbnail image corresponding to modified DID 330, for the page 300 through picking up of exception condition being detected.(described thumbnail image is the low-resolution image of generally deriving by readjusting the size of described modified DID 330.) in certain embodiments, can on image display 50, show multiple pages through scanning.For example, can show side by side the image through scanning corresponding to the two sides of the page through picking up.Also can to scanner operators show extraneous information (for example exception types, through scanning image in exception after testing position and be associated with described exception after testing through definite level of confidence).Described user (, scanner operators) then can preview described in through the image of scanning to assess described exception and to determine best correction behavior.For example, with respect to generally only providing the instruction (, as text-string) of exception types to user's art methods, the demonstration of the described view data through scanning provides accurately definite very Useful Information of user suitably being proofreaied and correct to behavior.

Various user interface elements are for providing the multiple users that are associated with exception condition the optional positive behavior of selecting a school.In a preferred embodiment, image display 50 (Fig. 1) is for providing the graphical user interface that shows the graphic elements being associated with the optional positive behavior of selecting a school of available subscribers.Then can use suitable user control to make user selects.The example that can be used for the user control that receives user's selection comprises button, rocker switch, control lever, knob, touch-sensitive surface, gesture sensing interface and audio interface.In certain embodiments, by using the lip-deep Touch Screen graphical user interface of image display 50 that user is provided some or all in inputting.In other embodiments, can share or wave point uses for example, user control on external device (ED) (smart phone) to provide user to select via network.

Fig. 4 shows the example of the user interface screen 500 showing on image display 50, wherein in response to detecting multipage to be fed to exception condition, user is presented to two optional positive behaviors of selecting a school of user.The scanner status message 505 that described user interface screen comprises the scan operation of instruction time-out multipage, and instruction detects that multipage is fed to the exception condition message 510 of exception condition.Direct picture 520 and back side image 525 show corresponding to page 300 (Fig. 3) through picking up of exception condition being detected.Can find out from direct picture 520, note paster 530 invests the front of the page 300 through picking up, and it is the reason that exception condition detected.User interface screen 500 also comprises two user controls that are associated with the optional positive behavior of selecting a school of user: accept user control 540 and rescan user control 550.In a preferred embodiment, image display 50 comprise touch-sensitive surface so that the correspondence position that can touch on image display 50 by user of user control activates.In other embodiments, can be adjacent to image display 50 button (or certain other type of user control) is provided, maybe can provide gesture sensing interface or audio interface so that user can make to use gesture or verbal order is selected.

The demonstration of the image (for example, direct picture 520 and back side image 525) through scanning in user interface screen 500 provides significant advantage, makes user can determine better suitable correction behavior.For example, if user sees, it is to cause because of note paster 530 that multipage is fed to exception, user can determine that appropriate action will be to remove note paster 530 and rescan described page so, if but user sees that it is because adhesion label 84 (Fig. 2) causes that multipage is fed to exception, user is optionally connected is so subject to the described image through scanning and continues multipage scan operation.

In various embodiments, can in user interface screen 500, present extraneous information.In certain embodiments, graphic assembly can be covered in direct picture 520 or back side image 525, and direct picture 520 or back side image 525 highlight in the position that exception detected in the document of scanning to help scanner operators to identify described exception.For example, can draw flash of light profile to indicate this position as detecting that multipage is fed to around note paster 530.

In other embodiment again, user interface element can be through providing so that scanner operator energy convergent-divergent and translation by the image through showing to allow to inspect more nearly the reason that causes exception condition.

In certain embodiments, user interface element can be through providing so that scanner operators can be according to its preference amendment image processing rule 320, transducer processing rule 350 or Exception handling rule 405.In certain embodiments, user control can make scanner operators only change for the rule of current multipage scan operation, or noly should change them for selected between all following scan operations.The outer processing rule 405 of modification can comprise the preferred correction behavior that scanner operators can be specified in should apply when specific exception situation detected.This is functional can be used for providing " mode of learning ", and wherein the following example for same exception situation is automatically performed correction behavior by scanner, instead of repeat to need scanner operators to select identical correction behavior.This can be valuable in many cases, for example, and in the time that the multipage in multipage document produces same exception situation (for example,, if all pages are put upside down).

In certain embodiments, the user interface of scanner 10 can comprise and can be used for providing information to user or receive the member for audio frequency processing of input from described user.For example, can use audio signal to present exceptional information to scanner operators, and can receive the input from user by acoustic control interface.Described audio signal can comprise various tones, and complex sound (for example spoken message) more.Described spoken message can be used computer speech to produce and produce, or can be pre-recorded message.For example, in the time of a collection of document of scanning, scanner 10 can be informed orally user and be detected inspection, and whether inquiry user should send to inspection message accounting processing department.(in this example, there is no need to suspend multipage scan operation, carry out Exception handling simultaneously, this is because available correction behavior neither needs to rescan the page 300 through picking up.)

In certain embodiments, can use the audio user interface element being provided on remote electronic device to present audio signal to user.For example, scanner 10 can use cordless communication network by the information transmitting about exception condition for example, to hand-hold electronic device (smart phone).The application program of moving on described smart phone can provide spoken message to arrive user, to warn exception condition to described user.Described hand-hold electronic device optionally presents graphical user interface elements (element of for example, showing in the user interface screen 500 of Fig. 4).Described user can then use verbal order (or other user control) to select suitable correction behavior.The instruction of the described correction behavior through selecting then can be used cordless communication network transmitting to get back to scanner 10.

Turn back to the discussion of Fig. 3, user then carries out selection correction behavior step 430 to select specific correction behavior by the one activating in described user control.According to example demonstrated in Figure 4, the optionally connected user control 540 (for example, being acceptable if note paster 530 is contained in the image of scanning) that is subject to of user, it is delivered to control to accept image step 435.In a preferred embodiment, accept image step 435 and restart the multipage scan operation through suspending and call and assign modified image step 415, modified DID 330 is sent to output interface 55 (Fig. 1) by it.

If user selects to rescan user control 550, control to be passed to so and rescan image step 455.In a preferred embodiment, rescan image step 455 and show user interface element on image display 50, comprising prompting user will manually be moved back into the message of input paper box 20 (Fig. 1) and the user control that can activate in the time that manual operation completes from output paper box 15 (Fig. 1) through the page 300 picking up.In this example, user by before being put back in input paper box 20 through the page 300 picking up from 300 removing note paster 530 through the page picking up.When user activate instruction manual operation complete user control time, then restart multipage scan operation.In certain embodiments, detect that the page 300 through picking up of exception condition can remain in outlet roller 100, and if rescan option for selecting, conveyer 45 moves to be put back in input paper box 20 through the page 300 picking up backward so.

In certain embodiments, described group of optional positive behavior of selecting a school of user can comprise and have the acceptance pattern picture of proofreading and correct option, and it can specify in user to be dispatched to output interface 55 (Fig. 1) through scan image one or more correct operation should be applied to through scan image before.For example, if the instruction of exception condition after testing page is with oriented opposite scanning, can provide so the user control that makes user's energy specify image should rotate to suitable orientation before being assigned.In this case, call the image step 440 of accepting to have correction, it applies one or more correct operation to determine calibrated image 445, and restarts multipage scan operation.In certain embodiments, described correct operation can comprise metadata that storage is associated with exception condition after testing (joining with the image correlation through scanning) but not the operation of the pixel value that actual modification is associated with modified DID 330.Assign calibrated image step 450 for calibrated image 445 being sent to output interface 55 (Fig. 1).

In certain embodiments, the selection of the detection of specific exception situation or specific correction behavior can be used for various machinery or the electric assembly of gated sweep instrument 10 (Fig. 1).For example, the assembly of document feed system (for example outlet roller 100 (Fig. 1)) can be used for controlling the stacking of documentation page or classification.For example, the documentation page that exception condition detected can or be categorized in different output paper boxes 15 (Fig. 1) through route.In certain embodiments, this can be by changing documentation page adopts conveyer 45 (Fig. 1) in path, or complete by the speed of change outlet roller 100.(this can use the people's such as Lai Yinke (Reinke) name to be called the method for institute's teaching in No. 13/155th, 838, the U.S. patent application case of common transfer of " classifying (Sorting by controlling scanned document velocity) by gated sweep document speed " and complete.) similarly, the page of described document can guide along different paths according to the page attribute through sensing.For example, the page of certain size or type (for example checking) is bootable to a certain output paper box.

In the time completing multipage scan operation, send to one or more image receiving system through the general output interface 55 (Fig. 1) that uses of page of scanning.In a preferred embodiment, described image receiving system can use suitable user interface element to select by scanner operators.Described image receiving system (for example can comprise storage device, hard disk or the webserver), host computer (for example, personal computer, network computer or hand-held computing device (for example flat computer or smart phone)), printer or e-mail system.In certain embodiments, the identical document through scanning can be sent to multiple image receiving systems.In certain embodiments, some or all image receiving systems that should send in the page of the described document through scanning can be determined in response to the characteristic through sensing of described document or arbitrary exception condition after testing.For example, if exception condition detected, the page being associated can be sent to the smart phone specified by scanner operators so, exception condition detected to warn scanner operators.Similarly, the page for example, with some characteristic (, page being identified as to the feature of inspection) can be routed to specific image receiving system (server being for example associated with accounting processing department).

List of parts

10 scanners

11 top page

12 multipage documents

13 pages

15 output paper boxes

20 input paper boxes

30 top imaging devices

32 top imaging holes

35 bottom imaging devices

36 bottom imaging holes

40 feed rollers

41 separate rollers

42 feed module

43 document feed systems

45 conveyers

50 image displays

55 output interfaces

70 page length degree

80 page width degree

82 holes

84 adhesion labels

86 note pasters

100 outlet rollers

120 data handling systems

135 document sensing systems

135A transducer

135B transducer

135C transducer

135D transducer

135E transducer

200 distances

210 distances

300 through pick up page

310 capture digital image data steps

315 DIDs

320 image processing rules

325 process image step

330 modified DIDs

340 collecting sensor data step

345 sensing datas

350 transducer processing rules

355 process sensor data steps

360 modified sensing datas

400 exception tests

405 Exception handling rules

The modified image step of 410 storage

415 assign modified image step

The outer image step of 420 display cases

430 select correction behavior step

435 accept image step

440 accept to have the image step of correction

445 calibrated images

450 assign calibrated image step

455 rescan image step

500 user interface screen

505 scanner status messages

510 exception condition message

520 direct pictures

525 back side image

530 note pasters

540 accept user control

550 rescan user control

Claims (22)

1. the scanning system that exception calibration capability is provided, it comprises:

Imageing sensor, it is for scanning the page of hard copy document;

Input paper box;

Output paper box;

Document feed system, its for the page, location that pick up multipage document from described input paper box by the described page through picking up being scanned by described imageing sensor and deposit in described output paper box by described through the page picking up;

Sensing system, its one or more attribute for the page through picking up described in sensing is to detect exception condition;

User interface system, it comprises image display and one or more user control;

Output interface, it is for being sent to image receiving system through the document of scanning;

Memory, it is for storing the document through scanning;

Data handling system; And

Program storage, its communication connection is configured to cause described data handling system to implement the instruction of the method for exception calibration capability is provided to described data handling system and storage, and wherein said method comprises:

Initial multipage scan operation activates and scanning multipage document with the user in response to user control;

For every one page of described multipage document;

Pick up described page from described input paper box;

Use the described page through picking up of described imageing sensor scanning, and the described page through scanning is stored in described memory;

Use one or more attribute of the page through picking up described in described sensing system sensing;

Deposit in described output paper box through the page picking up described;

Analyze described one or more attribute through sensing to detect exception condition;

In response to exception condition being detected:

Suspend described multipage scan operation;

On described image display, show at least one page through scanning being associated with described exception condition;

Use described user interface system that the multiple users that are associated with described exception condition are provided the optional positive behavior of selecting a school;

In response to selecting specific correction behavior, user carries out one or more correct operation; And

In response to activating, the user of user control restarts the described multipage scan operation through suspending; And

Use described output interface that one or more page of the described multipage document through scanning is sent to described image receiving system from described memory.

2. scanning system according to claim 1, at least one in wherein said correct operation comprises the described user of prompting and carries out manual operation.

3. scanning system according to claim 2, wherein said specific correction behavior is the behavior of rescaning, and wherein said correct operation comprise prompting described user by described through pick up page manually move to described input paper box from described output paper box.

4. scanning system according to claim 1, wherein said sensing system comprises the multipage transducer being fed to for detection of multipage.

5. scanning system according to claim 4, wherein said multipage transducer is ultrasonic sensor or Mechanical Contact transducer.

6. scanning system according to claim 4, wherein said imageing sensor is described multipage transducer, and the wherein said page through scanning is by analysis to detect margin edge or shade.

7. scanning system according to claim 1, wherein said sensing system comprises the deflection page transducer that picks up page for detection of deflection.

8. scanning system according to claim 7, wherein said imageing sensor is described deflection page transducer, and the wherein said page through scanning is by analysis to detect described page deflection.

9. scanning system according to claim 1, wherein said sensing system comprises the directed orientation sensor for detection of the described page through scanning.

10. scanning system according to claim 9, wherein said imageing sensor is described orientation sensor, and the wherein said page through scanning is by analysis to detect the described orientation of the described page through scanning.

11. scanning systems according to claim 9, wherein described orientation sensor detect the described page through scanning cannot determine orientation time exception condition detected.

12. scanning systems according to claim 9, wherein, in the time that described orientation sensor detects that the described orientation of the described page through scanning is not upright orientation, the optional positive behavior of selecting a school of described user comprises image rotation behavior to proofread and correct the described orientation of the described page through scanning.

13. scanning systems according to claim 1, wherein said sensing system comprises a page size sensor, picture quality transducer, copyright document transducer, wrinkling page transducer or card page transducer.

14. scanning systems according to claim 1, wherein said user interface system comprises user control selects to apply for the following example of same exception condition the option of same correction behavior.

15. scanning systems according to claim 1, wherein said scanning system is the duplexing scanning system that is suitable for the two sides of scanning the described page through picking up.

16. scanning systems according to claim 15, if head on orientation wherein is after testing inconsistent through determining with back side orientation after testing, sense exception condition so.

17. scanning systems according to claim 1, wherein said image receiving system is storage device, host computer, printer or e-mail system.

18. scanning systems according to claim 1, wherein said image receiving system is in response to described exception condition and selects.

19. scanning systems according to claim 1, wherein said document feed system responses is controlled the path of the described page through picking up in described exception condition.

20. scanning systems according to claim 1, at least some in wherein said user control are provided in to be wirelessly connected on the external device (ED) of described scanning system.

21. scanning systems according to claim 1, wherein said user control comprises for receiving the acoustic control interface from described user's verbal order.

22. 1 kinds for scanning the method for multipage document, and described method is implemented by data handling system at least in part and comprised:

Multipage scan operation in initial scanning system is with scanning multipage document, and wherein said scanning system comprises:

Imageing sensor, it is for scanning the page of hard copy document;

Document feed system, its for from input paper box pick up multipage document page, location by scanned by described imageing sensor described through pick up page and by described through pick up page deposit in output paper box;

Sensing system, its one or more attribute for the page through picking up described in sensing is to detect exception condition;

User interface system, it comprises image display and one or more user control;

Memory, it is for storing the document through scanning; And

Output interface, it is for being sent to image receiving system through the document of scanning;

For every one page of described multipage document;

Pick up described page from described input paper box;

Use the described page through picking up of described imageing sensor scanning, and the described page through scanning is stored in described memory;

Use one or more attribute of the page through picking up described in described sensing system sensing;

Deposit in described output paper box through the page picking up described;

Analyze described one or more attribute through sensing to detect exception condition;

In response to exception condition being detected:

Suspend described multipage scan operation;

On described image display, show at least one page through scanning being associated with described exception condition;

Use described user interface system that the multiple users that are associated with described exception condition are provided the optional positive behavior of selecting a school;

In response to selecting specific correction behavior, user carries out one or more correct operation; And

In response to activating, the user of user control restarts the described multipage scan operation through suspending; And

Use described output interface that one or multipage of the described multipage document through scanning are sent to described image receiving system from described memory.